Analysis
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max time kernel
133s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
25-06-2024 21:28
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
0f973492f57f148f67ed66b9c8e8c261_JaffaCakes118.dll
Resource
win7-20231129-en
windows7-x64
3 signatures
150 seconds
General
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Target
0f973492f57f148f67ed66b9c8e8c261_JaffaCakes118.dll
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Size
608KB
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MD5
0f973492f57f148f67ed66b9c8e8c261
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SHA1
d2421c66255f3fea660b7f01f3771373214cda11
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SHA256
c9d249598e835b518f2e34e2e16c3cd8046ccf7c8c34b441190ac62bfc41847e
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SHA512
f1b3dc6e287460bbd36043d3876427f09c93e4917ff405e35bf700a8b3f67559d76a910b3333c34743dd7a2423e99546de759e915e64ebdc8591cf69895e9bd9
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SSDEEP
12288:wpIt9HX65cspWkY5DARyLuaIg3Qao7rdnsCef20p/:wetFXsoB7LGnao7rRef20p
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-8976-9C6D-7436-75BE9A82A8BB} regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\0f973492f57f148f67ed66b9c8e8c261_JaffaCakes118.iwc\ = "iwc" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\0f973492f57f148f67ed66b9c8e8c261_JaffaCakes118.iwc\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\0f973492f57f148f67ed66b9c8e8c261_JaffaCakes118.iwc\Clsid\ = "{CC01FC6C-8976-9C6D-7436-75BE9A82A8BB}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-8976-9C6D-7436-75BE9A82A8BB}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-8976-9C6D-7436-75BE9A82A8BB}\ProgID\ = "0f973492f57f148f67ed66b9c8e8c261_JaffaCakes118.iwc" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-8976-9C6D-7436-75BE9A82A8BB} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-8976-9C6D-7436-75BE9A82A8BB}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-8976-9C6D-7436-75BE9A82A8BB}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\0f973492f57f148f67ed66b9c8e8c261_JaffaCakes118.iwc regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-8976-9C6D-7436-75BE9A82A8BB}\ = "iwc" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-8976-9C6D-7436-75BE9A82A8BB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0f973492f57f148f67ed66b9c8e8c261_JaffaCakes118.dll" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4872 wrote to memory of 4800 4872 regsvr32.exe 83 PID 4872 wrote to memory of 4800 4872 regsvr32.exe 83 PID 4872 wrote to memory of 4800 4872 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\0f973492f57f148f67ed66b9c8e8c261_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\0f973492f57f148f67ed66b9c8e8c261_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4800
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